From Longman Dictionary of Contemporary Englishglance off (something) phrasal verb1 HIT/BUMP INTOto hit a surface at an angle and then move away from it in another direction SYN ricochet The bullet had crushed his helmet and glanced off.2 literary if light glances off a surface, it flashes or shines back from it SYN reflect off The sun was glancing off the icy tips of gleaming rock. → glance→ See Verb table
Examples from the Corpus
glance off • The bullet had crushed his helmet and glanced off.• Occasionally he asked a question or sought an opinion; you had the impression that the answer had glanced off his surface.• The first blow landed on my heart and was terrible; the second had absently glanced off my arm.• Yet its light was undimmed and it glanced off the metal buildings as far as the eye could see.• They glanced off the puppet's head and fell to the floor.• When I threw, the ax glanced off with a clatter.• But where did Ewan Beg's blade go, when it glanced off your axe, and all his strength behind it? 